this post was submitted on 27 Aug 2025
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Bicycles

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Rear Tire Blew Out on a 25-30km Trip😭 (piefed.ca)
submitted 4 months ago* (last edited 4 months ago) by recursive_recursion@piefed.ca to c/bicycles@lemmy.ca
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Sportchek Fuck You🖕 aggggghhhhdjdjfjnf

I bought 29" tubes maybe about 2-3 months ago as my rear tire blewout on a nail back then. After replacing both I thought both felt kinda flimsy but thought eh maybe this is how it always was/maybe this is fine.
OH HELL NAW!~ smh.

I should've figured better. And before anyone asks:

  • yes I made sure the rims were free of debris and any rough edges.
  • no; there was no glass or nails that punctured the tires.
  • yes it was filled to the recommended 35 PSI.

Anyways I def learned my lesson on buying cheap ass fucking tubes and also forgetting my allen key set. If I go half assed and buy cheap shit again well that's on me and I probably have dementia at that point.

I'm still seething by how much time I spent having to trek back.

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[–] pc486@sh.itjust.works 4 points 4 months ago

That blows. I recently had a pinch-flat on clean asphalt (!!!) that wouldn't take a patch in the field and was forced to walk the last 5 km.

Two things I'd check into besides the tube: the tire casing and the tube install. Sometimes a puncture through the tire's fabric breaks too many strands or cuts through both biases. In that case the tire is toast as any tube will push through the puncture the moment you start riding on it. It's this kind of tire failure for why I keep a tire boot in my repair bag.

I've also seen tubes get damaged when using tire levers. Those usually fail with tears and little bubbles of weakness. If at all possible, do not use a tire lever for anything but removing a tire. I've had very good tubes be fatally damaged in this way.